unpredictable
adjective
un·pre·dict·able
ˌən-pri-ˈdik-tə-bəl 
: not predictable: such as
a
: not able to be known or declared in advance
unpredictable weather
b
: tending to behave in ways that cannot be predicted
an unpredictable boss
Examples of unpredictable in a Sentence
unpredictable spring weather that makes it really hard to know what to wear
Recent Examples on the Web
Not only are relapses unpredictable but scientists have yet to explain the slow and insidious degeneration that often occurs even without new lesions.
—
Lucinda Rosenfeld, New Yorker, 25 Oct. 2025
These large waves can be erratic and unpredictable.
—Ca Weather Bot, Sacbee.com, 25 Oct. 2025
His characters were often brutally unpredictable.
—Joy Williams, Harpers Magazine, 24 Oct. 2025
New York can be very unpredictable and has been this season.
—James Brizuela, MSNBC Newsweek, 24 Oct. 2025
See All Example Sentences for unpredictable
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Lucinda Rosenfeld, New Yorker, 25 Oct. 2025
These large waves can be erratic and unpredictable.
—Ca Weather Bot, Sacbee.com, 25 Oct. 2025
His characters were often brutally unpredictable.
—Joy Williams, Harpers Magazine, 24 Oct. 2025
New York can be very unpredictable and has been this season.
—James Brizuela, MSNBC Newsweek, 24 Oct. 2025
See All Example Sentences for unpredictable
Cite this Entry
“Unpredictable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpredictable. Accessed 31 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share